Refractory News

The main raw materials for magnesium-carbon bricks include: sintered magnesium sand or electrofused magnesium sand, scaled graphite, and organic binding agent. The main raw material used in the production of magnesium carbon brick is magnesium sand. In the choice of magnesium sand to ensure the quality of magnesium carbon bricks, should be used in low …

How to choose magnesia, graphite and binder for magnesia carbon brick products Read More »

The ladle is responsible for the dual tasks of carrying molten steel and refining outside the furnace. With the development of steelmaking technology, my country’s ladle refractory materials have also been well developed. Especially since the 1980s, my country’s refractory research institutions, production enterprises and users have worked closely together to develop new refractory materials …

Varieties and applications of refractories for steel ladles Read More »

Refractory raw materials No matter how the technology develops, refractory raw materials are the basis of refractory materials. Refractory raw materials directly determine the quality of refractory materials and affect the development of refractory materials. All the development of new refractory materials cannot be separated from the support of refractory raw materials. For example, magnesia-alumina …

Five refractory raw materials that are indispensable for the development of new refractory materials Read More »

The tundish is a container for holding molten steel after the steelmaking ladle equipment and for diverting the molten steel for continuous casting. The tundish is the last container in the continuous casting system that contacts the refractory material before the molten steel is formed. It is an important part of the continuous casting process …

Technological progress of refractory materials for tundish of continuous casting of molten steel Read More »

Quartz sand is an acidic furnace lining material, due to the low price and wide range of sources. Once the silica sand after the first furnace high-temperature sintering to complete its phase change, volume expansion changes, the late melting of the furnace lining volume change is very small, thermal stability and anti-ferrous liquid leakage performance …

Basic requirements for quartz sand lining materials for medium frequency induction furnaces Read More »

Aluminum carbon bricks are mainly composite refractory materials produced by combining alumina (such as sintered/fused white corundum, sub-white corundum, brown corundum, plate-shaped alumina, sintered bauxite, etc.) and carbon/graphite raw materials. In most cases, additives (such as SiC, Si, Al, etc.) are also added to improve their performance. According to the production method, Al2O3-C refractories can …

The development and performance of magnesia carbon bricks and the advantages of ladle aluminum carbon bricks Read More »

1.Overview of magnesium carbon bricks for steel mills Steel mill magnesium carbon brick is a high-performance refractory material, made of graphite, graphite coke, calcium raw materials, aluminum and other raw materials and magnesium raw materials, hot forming at high temperature. The material is characterized by good chemical stability, good thermal conductivity, etc. It can be …

Uses and application parts of magnesium carbon bricks in steel mills Read More »

Magnesia carbon brick is an unburned carbon composite refractory material. It is made of magnesium oxide, an alkaline oxide with a high melting point (2800°C), and a high melting point carbon material. The material is difficult to be corroded by slag and has added Various non-oxide additives and carbon binders. As a composite refractory material, …

Raw materials for manufacturing magnesium carbon bricks Read More »

Magnesium carbon brick is a composite material composed of magnesium sand, graphite, phenolic resin binding agent and anti-oxidant; In order to make the magnesium carbon brick to play its maximum performance, its design needs to take into account the structural matching and refractory raw material properties and so on. The main principles followed in terms …

Magnesium carbon brick design structure should follow these principles Read More »